/* ============================================================================
   OVERRIDE — shared design system
   Aesthetic ref: silencio.es  ·  Swiss / clinical / product-as-consumable
   black on white · single red accent · Helvetica + PT Mono · barcodes · marquees
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=PT+Mono&display=swap');

:root{
  --bg:        #fbfbfa;   /* near-white page */
  --stage:     #eceae6;   /* off-white hero / panel stage */
  --panel:     #e4e2dd;   /* slightly deeper panel */
  --ink:       #0a0a0a;   /* near-black text */
  --ink-soft:  #6b6b66;   /* muted */
  --red:       #ff2200;   /* the single accent */
  --line:      rgba(10,10,10,.14);
  --line-2:    rgba(10,10,10,.28);

  --sans: "Helvetica Neue", Helvetica, Arial, "Inter", system-ui, sans-serif;
  --mono: "PT Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gut: clamp(22px, 4vw, 52px);   /* page gutter */
  --maxw: 1680px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.18;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
::selection{ background:var(--red); color:#fff; }

/* ---------------------------------------------------------------- typography */
.mono{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.04em;
  text-transform:uppercase;
  line-height:1.3;
}
.mono-sm{ font-family:var(--mono); font-size:9.5px; letter-spacing:.06em; text-transform:uppercase; }
.red{ color:var(--red); }
.display{
  font-weight:700;
  line-height:.9;
  letter-spacing:-.035em;
  text-transform:uppercase;
}

/* ------------------------------------------------------------------- layout */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }

/* --------------------------------------------------------------- top header */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px var(--gut);
  mix-blend-mode:difference;            /* stays legible over light/dark */
  color:#fff;
}
.site-header a, .site-header button{ color:#fff; }
/* solid on scroll (homepage: transparent over hero at top, solid once scrolling)
   so page content slides cleanly UNDER the bar instead of bleeding through it */
.site-header.scrolled{ mix-blend-mode:normal; background:rgba(251,251,250,.92); -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px); color:var(--ink); border-bottom:1px solid var(--line); }
.site-header.scrolled a, .site-header.scrolled button{ color:var(--ink); }
.brand{ display:flex; align-items:baseline; gap:7px; font-weight:700; letter-spacing:-.03em; font-size:15px; }
.brand .reg{ font-size:9px; transform:translateY(-4px); }
.brand .mk{ font-family:var(--mono); font-size:9.5px; letter-spacing:.08em; opacity:.8; text-transform:uppercase; }
.nav{ display:flex; gap:22px; align-items:center; }
.nav a{ position:relative; }
.nav a::after{
  content:""; position:absolute; left:0; bottom:-3px; height:1px; width:0; background:currentColor; transition:width .35s var(--ease);
}
.nav a:hover::after{ width:100%; }
.nav .dot{ width:6px; height:6px; border-radius:50%; background:var(--red); display:inline-block; }

/* corner registration labels (silencio-style) — scoped inside .hero */
.corner{ position:absolute; z-index:8; color:var(--ink); }
.corner.tl{ top:64px; left:var(--gut); }
.corner.tr{ top:64px; right:var(--gut); text-align:right; }
.corner.bl{ bottom:64px; left:var(--gut); }
.corner.br{ bottom:64px; right:var(--gut); text-align:right; }

/* ------------------------------------------------------------------ marquee */
.marquee{
  overflow:hidden; white-space:nowrap; border-block:1px solid var(--ink);
  background:var(--ink); color:var(--bg);
}
.marquee.invert{ background:var(--bg); color:var(--ink); }
.marquee.accent{ background:var(--red); color:#fff; border-color:var(--red); }
.marquee__track{ display:inline-flex; gap:0; animation:marq 38s linear infinite; will-change:transform; }
.marquee__track span{ padding:9px 0; font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; }
.marquee__track span::after{ content:"✦"; padding:0 26px; opacity:.55; }
.marquee:hover .marquee__track{ animation-play-state:paused; }
@keyframes marq{ to{ transform:translateX(-50%); } }

/* ------------------------------------------------------------------- button */
.btn{
  display:inline-flex; align-items:center; gap:12px;
  padding:14px 24px; border:1px solid var(--ink); border-radius:999px;
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  transition:background .3s var(--ease), color .3s var(--ease), padding .3s var(--ease);
}
.btn .arw{ transition:transform .3s var(--ease); }
.btn:hover{ background:var(--ink); color:var(--bg); }
.btn:hover .arw{ transform:translateX(5px); }
.btn--accent{ border-color:var(--red); color:var(--red); }
.btn--accent:hover{ background:var(--red); color:#fff; }
.btn--solid{ background:var(--ink); color:var(--bg); }
.btn--solid:hover{ background:var(--red); border-color:var(--red); }

/* --------------------------------------------------------------- barcode css */
.barcode{
  height:34px; width:120px;
  background-image:repeating-linear-gradient(90deg,
    var(--ink) 0 1px, transparent 1px 3px,
    var(--ink) 3px 5px, transparent 5px 6px,
    var(--ink) 6px 9px, transparent 9px 11px,
    var(--ink) 11px 12px, transparent 12px 15px);
  background-size:15px 100%;
}
.barcode--sm{ height:22px; width:78px; }

/* ----------------------------------------------------------- spec / nutri label */
.spec{ border:1px solid var(--ink); background:var(--bg); }
.spec__hd{ display:flex; justify-content:space-between; align-items:baseline; padding:10px 14px; border-bottom:2px solid var(--ink); }
.spec__hd b{ font-size:16px; letter-spacing:-.02em; text-transform:uppercase; }
.spec__row{ display:flex; justify-content:space-between; gap:12px; padding:8px 14px; border-bottom:1px solid var(--line); font-family:var(--mono); font-size:11px; text-transform:uppercase; }
.spec__row:last-child{ border-bottom:none; }
.spec__bar{ flex:1; height:7px; align-self:center; background:var(--panel); position:relative; margin:0 4px; }
.spec__bar i{ position:absolute; inset:0 auto 0 0; background:var(--red); }

/* ------------------------------------------------------------------- footer */
.site-footer{ background:var(--ink); color:var(--bg); padding:64px var(--gut) 26px; }
.site-footer .display{ font-size:clamp(46px,12vw,180px); line-height:.82; }
.foot-grid{ display:flex; flex-wrap:wrap; gap:40px 64px; margin-top:48px; }
.foot-grid h5{ font-family:var(--mono); font-size:10px; letter-spacing:.08em; opacity:.6; margin-bottom:12px; text-transform:uppercase; }
.foot-grid a{ display:block; padding:3px 0; opacity:.9; }
.foot-grid a:hover{ color:var(--red); }
.foot-base{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; margin-top:54px; padding-top:18px; border-top:1px solid rgba(255,255,255,.18); }
.foot-base .mono{ opacity:.6; }

/* ------------------------------------------------------------------ reveal */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* --------------------------------------------------------------- disclaimer */
.research-note{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft);
}
.research-note .dot{ width:6px;height:6px;border-radius:50%;background:var(--red); }

/* ------------------------------------------------------- cart badge + toast */
.cart-badge{ display:inline-flex; align-items:center; justify-content:center; min-width:16px; height:16px; padding:0 4px; border-radius:999px; background:var(--red); color:#fff; font-family:var(--mono); font-size:9px; margin-left:4px; }
.toast{
  position:fixed; left:50%; bottom:26px; transform:translate(-50%,40px); z-index:140;
  background:var(--ink); color:var(--bg); padding:12px 20px; border-radius:999px;
  font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase;
  opacity:0; transition:opacity .3s var(--ease), transform .3s var(--ease); pointer-events:none; max-width:88vw; text-align:center;
}
.toast.show{ opacity:1; transform:translate(-50%,0); }

/* ------------------------------------------------------------- qty stepper */
.qty{ display:inline-flex; align-items:center; border:1px solid var(--ink); border-radius:999px; overflow:hidden; }
.qty button{ width:32px; height:32px; display:grid; place-items:center; font-size:15px; transition:background .2s var(--ease), color .2s var(--ease); }
.qty button:hover{ background:var(--ink); color:var(--bg); }
.qty span{ min-width:30px; text-align:center; font-family:var(--mono); font-size:13px; }

/* ------------------------------------------------------------- cart drawer */
.cart{ position:fixed; inset:0; z-index:100; }
.cart[hidden]{ display:none; }
.cart__scrim{ position:absolute; inset:0; background:rgba(10,10,10,.5); backdrop-filter:blur(2px); opacity:0; transition:opacity .35s var(--ease); }
.cart.open .cart__scrim{ opacity:1; }
.cart__panel{
  position:absolute; top:0; right:0; height:100%; width:min(460px,100%);
  background:var(--bg); display:flex; flex-direction:column;
  transform:translateX(100%); transition:transform .42s var(--ease); will-change:transform;
}
.cart.open .cart__panel{ transform:none; }
.cart__bar{ display:flex; justify-content:space-between; align-items:center; padding:18px 22px; border-bottom:1px solid var(--ink); }
.cart__bar .ttl{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; }
.cart__close{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; }
.cart__close:hover{ color:var(--red); }
.cart__items{ flex:1; overflow-y:auto; padding:6px 22px; }
.cart__empty{ padding:60px 0; text-align:center; }
.cart__empty .mono{ color:var(--ink-soft); }
.citem{ display:grid; grid-template-columns:64px 1fr auto; gap:14px; padding:18px 0; border-bottom:1px solid var(--line); align-items:center; }
.citem__img{ width:64px; height:64px; background:radial-gradient(120% 100% at 50% 12%, #f6f5f2, var(--stage)); display:grid; place-items:center; }
.citem__img img{ width:62%; }
.citem__name{ font-weight:600; font-size:15px; letter-spacing:-.01em; }
.citem__meta{ font-family:var(--mono); font-size:9.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft); margin:3px 0 9px; }
.citem__qtyrow{ display:flex; align-items:center; gap:12px; }
.citem__rm{ font-family:var(--mono); font-size:9.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft); }
.citem__rm:hover{ color:var(--red); }
.citem__price{ font-family:var(--mono); font-size:14px; align-self:start; }
.cart__foot{ border-top:1px solid var(--ink); padding:20px 22px; display:flex; flex-direction:column; gap:14px; }
.cart__sub{ display:flex; justify-content:space-between; align-items:baseline; }
.cart__sub .mono{ letter-spacing:.08em; text-transform:uppercase; }
.cart__sub b{ font-family:var(--mono); font-size:22px; }
.cart__checkout{ justify-content:center; }
.cart__note{ font-family:var(--mono); font-size:9px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft); text-align:center; }

/* ------------------------------------------------------------- small screens */
@media (max-width:720px){
  .nav{ gap:16px; }
  .nav .hide-sm{ display:none; }
  .brand .mk{ display:none; }              /* compact brand: just "RECON ®" so it never crowds the nav */
  .corner.tr, .corner.bl{ display:none; }
}